int
meta_back_conn_destroy(
Backend *be,
Connection *conn )
{
metainfo_t *mi = ( metainfo_t * )be->be_private;
metaconn_t *mc,
mc_curr = {{ 0 }};
int i;
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: fetching conn=%ld DN=\"%s\"\n",
conn->c_connid,
BER_BVISNULL( &conn->c_ndn ) ? "" : conn->c_ndn.bv_val, 0 );
mc_curr.mc_conn = conn;
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, ">>> meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
while ( ( mc = avl_delete( &mi->mi_conninfo.lai_tree, ( caddr_t )&mc_curr, meta_back_conn_cmp ) ) != NULL )
{
assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: destroying conn %lu "
"refcnt=%d flags=0x%08x\n",
mc->mc_conn->c_connid, mc->mc_refcnt, mc->msc_mscflags );
if ( mc->mc_refcnt > 0 ) {
/* someone else might be accessing the connection;
* mark for deletion */
LDAP_BACK_CONN_CACHED_CLEAR( mc );
LDAP_BACK_CONN_TAINTED_SET( mc );
} else {
meta_back_conn_free( mc );
}
}
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, "<<< meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
/*
* Cleanup rewrite session
*/
for ( i = 0; i < mi->mi_ntargets; ++i ) {
rewrite_session_delete( mi->mi_targets[ i ]->mt_rwmap.rwm_rw, conn );
}
return 0;
}
int
ldap_back_conn_destroy(
Backend *be,
Connection *conn
)
{
ldapinfo_t *li = (ldapinfo_t *) be->be_private;
ldapconn_t *lc = NULL, lc_curr;
Debug( LDAP_DEBUG_TRACE,
"=>ldap_back_conn_destroy: fetching conn %ld\n",
conn->c_connid, 0, 0 );
lc_curr.lc_conn = conn;
ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
#if LDAP_BACK_PRINT_CONNTREE > 0
ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" );
#endif /* LDAP_BACK_PRINT_CONNTREE */
while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL )
{
assert( !LDAP_BACK_PCONN_ISPRIV( lc ) );
Debug( LDAP_DEBUG_TRACE,
"=>ldap_back_conn_destroy: destroying conn %lu "
"refcnt=%d flags=0x%08x\n",
lc->lc_conn->c_connid, lc->lc_refcnt, lc->lc_lcflags );
if ( lc->lc_refcnt > 0 ) {
/* someone else might be accessing the connection;
* mark for deletion */
LDAP_BACK_CONN_CACHED_CLEAR( lc );
LDAP_BACK_CONN_TAINTED_SET( lc );
} else {
ldap_back_conn_free( lc );
}
}
#if LDAP_BACK_PRINT_CONNTREE > 0
ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" );
#endif /* LDAP_BACK_PRINT_CONNTREE */
ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
return 0;
}
int
meta_back_bind( Operation *op, SlapReply *rs )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metaconn_t *mc = NULL;
int rc = LDAP_OTHER,
i,
gotit = 0,
isroot = 0;
SlapReply *candidates;
rs->sr_err = LDAP_SUCCESS;
Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n",
op->o_log_prefix, op->o_req_dn.bv_val );
/* the test on the bind method should be superfluous */
switch ( be_rootdn_bind( op, rs ) ) {
case LDAP_SUCCESS:
if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
/* frontend will return success */
return rs->sr_err;
}
isroot = 1;
/* fallthru */
case SLAP_CB_CONTINUE:
break;
default:
/* be_rootdn_bind() sent result */
return rs->sr_err;
}
/* we need meta_back_getconn() not send result even on error,
* because we want to intercept the error and make it
* invalidCredentials */
mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND );
if ( !mc ) {
if ( LogTest( LDAP_DEBUG_ANY ) ) {
char buf[ SLAP_TEXT_BUFLEN ];
snprintf( buf, sizeof( buf ),
"meta_back_bind: no target "
"for dn \"%s\" (%d%s%s).",
op->o_req_dn.bv_val, rs->sr_err,
rs->sr_text ? ". " : "",
rs->sr_text ? rs->sr_text : "" );
Debug( LDAP_DEBUG_ANY,
"%s %s\n",
op->o_log_prefix, buf );
}
/* FIXME: there might be cases where we don't want
* to map the error onto invalidCredentials */
switch ( rs->sr_err ) {
case LDAP_NO_SUCH_OBJECT:
case LDAP_UNWILLING_TO_PERFORM:
rs->sr_err = LDAP_INVALID_CREDENTIALS;
rs->sr_text = NULL;
break;
}
send_ldap_result( op, rs );
return rs->sr_err;
}
candidates = meta_back_candidates_get( op );
/*
* Each target is scanned ...
*/
mc->mc_authz_target = META_BOUND_NONE;
for ( i = 0; i < mi->mi_ntargets; i++ ) {
metatarget_t *mt = mi->mi_targets[ i ];
int lerr;
/*
* Skip non-candidates
*/
if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
continue;
}
if ( gotit == 0 ) {
/* set rc to LDAP_SUCCESS only if at least
* one candidate has been tried */
rc = LDAP_SUCCESS;
gotit = 1;
} else if ( !isroot ) {
/*
* A bind operation is expected to have
* ONE CANDIDATE ONLY!
*/
Debug( LDAP_DEBUG_ANY,
"### %s meta_back_bind: more than one"
" candidate selected...\n",
op->o_log_prefix );
}
if ( isroot ) {
if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE
|| BER_BVISNULL( &mt->mt_idassert_authcDN ) )
{
metasingleconn_t *msc = &mc->mc_conns[ i ];
/* skip the target if no pseudorootdn is provided */
if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
ch_free( msc->msc_bound_ndn.bv_val );
BER_BVZERO( &msc->msc_bound_ndn );
}
if ( !BER_BVISNULL( &msc->msc_cred ) ) {
/* destroy sensitive data */
memset( msc->msc_cred.bv_val, 0,
msc->msc_cred.bv_len );
ch_free( msc->msc_cred.bv_val );
BER_BVZERO( &msc->msc_cred );
}
continue;
}
(void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND, 1 );
lerr = rs->sr_err;
} else {
lerr = meta_back_single_bind( op, rs, mc, i );
}
if ( lerr != LDAP_SUCCESS ) {
rc = rs->sr_err = lerr;
/* FIXME: in some cases (e.g. unavailable)
* do not assume it's not candidate; rather
* mark this as an error to be eventually
* reported to client */
META_CANDIDATE_CLEAR( &candidates[ i ] );
break;
}
}
/* must re-insert if local DN changed as result of bind */
if ( rc == LDAP_SUCCESS ) {
if ( isroot ) {
mc->mc_authz_target = META_BOUND_ALL;
}
if ( !LDAP_BACK_PCONN_ISPRIV( mc )
&& !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) )
{
int lerr;
/* wait for all other ops to release the connection */
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
assert( mc->mc_refcnt == 1 );
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, ">>> meta_back_bind" );
#endif /* META_BACK_PRINT_CONNTREE */
/* delete all cached connections with the current connection */
if ( LDAP_BACK_SINGLECONN( mi ) ) {
metaconn_t *tmpmc;
while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
{
assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_bind: destroying conn %lu (refcnt=%u)\n",
mc->mc_conn->c_connid, mc->mc_refcnt );
if ( tmpmc->mc_refcnt != 0 ) {
/* taint it */
LDAP_BACK_CONN_TAINTED_SET( tmpmc );
} else {
/*
* Needs a test because the handler may be corrupted,
* and calling ldap_unbind on a corrupted header results
* in a segmentation fault
*/
meta_back_conn_free( tmpmc );
}
}
}
ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
meta_back_conndn_cmp, meta_back_conndn_dup );
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, "<<< meta_back_bind" );
#endif /* META_BACK_PRINT_CONNTREE */
if ( lerr == 0 ) {
#if 0
/* NOTE: a connection cannot be privileged
* and be in the avl tree at the same time
*/
if ( isroot ) {
LDAP_BACK_CONN_ISPRIV_SET( mc );
LDAP_BACK_PCONN_SET( mc, op );
}
#endif
LDAP_BACK_CONN_CACHED_SET( mc );
} else {
LDAP_BACK_CONN_CACHED_CLEAR( mc );
}
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
}
}
if ( mc != NULL ) {
meta_back_release_conn( mi, mc );
}
/*
* rc is LDAP_SUCCESS if at least one bind succeeded,
* err is the last error that occurred during a bind;
* if at least (and at most?) one bind succeeds, fine.
*/
if ( rc != LDAP_SUCCESS ) {
/*
* deal with bind failure ...
*/
/*
* no target was found within the naming context,
* so bind must fail with invalid credentials
*/
if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
rs->sr_err = LDAP_INVALID_CREDENTIALS;
} else {
rs->sr_err = slap_map_api2result( rs );
}
send_ldap_result( op, rs );
return rs->sr_err;
}
return LDAP_SUCCESS;
}
